2597389428 has 24 divisors (see below), whose sum is σ = 6062853888. Its totient is φ = 865470976.

The previous prime is 2597389423. The next prime is 2597389429. The reversal of 2597389428 is 8249837952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597389423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6276 + ... + 72347.

It is an arithmetic number, because the mean of its divisors is an integer number (252618912).

Almost surely, 2^2597389428 is an apocalyptic number.

It is an amenable number.

2597389428 is an abundant number, since it is smaller than the sum of its proper divisors (3465464460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2597389428 is a wasteful number, since it uses less digits than its factorization.

2597389428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81383 (or 81381 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 2597389428 is about 50964.5899424296. The cubic root of 2597389428 is about 1374.6084929215.

The spelling of 2597389428 in words is "two billion, five hundred ninety-seven million, three hundred eighty-nine thousand, four hundred twenty-eight".